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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 52-1821923

BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY

Also known as ANDREW L SCOTT MBR

Tax-exempt · GAITHERSBURG, MD 20885

Address and contacts

Address (IRS master file)
PO BOX 4211, GAITHERSBURG, MD 20885-4211
In care of
% KORRESSA LEE
Mailing address (990-N for 2025)
PO Box 4211, Gaithersburg MD 20885
Principal officer (990-N for 2025)
Korressa Lee, PO Box 4211, Gaithersburg MD 20885

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025Check at the IRS
2023May 31, 2024October 15, 2024990-N on file

File the 2026 990-N for BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY

Due October 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
52-1821923
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1994
Accounting year ends
May
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E21Z)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Korressa Lee
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Korressa Lee
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Andrew L Scott
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: William F Blakely
May 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: William F Blakely
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: William F Blakely
May 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Tina Reeves
May 31, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 52-1821923).

Questions about BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY

What is the EIN of BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY?
The employer identification number (EIN) of BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY is 52-1821923.
Is BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of BALTIMORE WASHINGTON CHAPTER OF THE HEALTH PHYSICS SOCIETY?
The 990-N for 2025 names Korressa Lee.

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